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Bug #4235

osmo-stp passes M3UA with non-SCCP SI to IPA

Added by laforge over 1 year ago. Updated over 1 year ago.

Status:
Resolved
Priority:
Normal
Assignee:
Target version:
-
Start date:
10/18/2019
Due date:
% Done:

100%

Spec Reference:

Description

If a M3UA PDU with SI=0x23 (clearly not SCCP) is received by OsmoSTP, it will happily assume it is SCCP and forward it to an IPA peer. Instead, it should be dropped or even rejected with "subsystem not equipped" or whatever plausible error message. IPA (sccplite) can only handle SCCP by definition.

Associated revisions

Revision 959c9049 (diff)
Added by laforge over 1 year ago

ipa: Don't send non-SCCP data over IPA/SCCPlite

The IPA/SCCPlite stacking is - as the name implies - constrained to
the transport of SCCP messages. We have to reject any non-SCCP payload.

Change-Id: I5e5a2879013ee8cf08aa4199b4bee498dcb61446
Fixes: OS#4235

History

#1 Updated by laforge over 1 year ago

  • Status changed from New to In Progress
  • % Done changed from 0 to 40

#2 Updated by laforge over 1 year ago

  • Status changed from In Progress to Resolved
  • % Done changed from 40 to 100

patch merged.

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